Prompt fission neutron spectra in the 235U(n,f) reaction

J.A. Gomez,C.M. Mattoon,R. C. Haight,M. Devlin,B. Mauss,G. Bélier,J. Taïeb,D. Étasse,O. Roig,K. J. Kelly,J.M. O’Donnell,B. Laurent,K.T. Schmitt,R. Vogt,P. Morfouace,I. Thompson,J. Escher,A. Chatillon

doi:10.1051/epjconf/202328401006

Prompt fission neutron spectra in the 235U(n,f) reaction

J.A. Gomez, C.M. Mattoon + Show 16 more

Open Access

https://doi.org/10.1051/epjconf/202328401006

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Journal: EPJ Web of Conferences	Publication Date: Jan 1, 2023
License type: CC BY 4.0

Affiliation: Los Alamos National Laboratory, CEA DAM Île-de-France, Atomic Energy and Alternative Energies Commission, University of Paris-Saclay, Institut Polytechnique de Paris, CEA Saclay, Laboratoire de Physique Corpusculaire de Caen, École Nationale Supérieure d'Ingénieurs de Caen, Institut National de Physique Nucléaire et de Physique des Particules, French National Centre for Scientific Research

#Los Alamos Neutron Science Center #Prompt Fission Neutron Spectra + Show 8 more

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Abstract

Prompt fission neutron spectra (PFNS) are crucial to any neutronic simulation of critical nuclear systems. An experimental setup dedicated to the measurements of PFNS of very high accuracy was developed at the Los Alamos Neutron Science Center (LANSCE) some ten years ago. It allows for the measurement of PFNS for neutron induced fission at the Weapon Neutron Research (WNR) neutron source of the LANSCE. A measurement of the PFNS from the 235U(n,f) reaction was realized recently and is currently analyzed. Preliminary results are presented here and are compared to present nuclear data evaluations.

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